general protection fault, probably for non-canonical address 0xe1888fc700000000: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0x0c449e3800000000-0x0c449e3800000007] CPU: 0 PID: 368 Comm: syz-executor.0 Not tainted 5.15.148-syzkaller-1069047-g993bed180178 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 RIP: 0010:__rb_insert lib/rbtree.c:117 [inline] RIP: 0010:__rb_insert_augmented+0xbf/0x610 lib/rbtree.c:459 Code: 00 74 08 48 89 df e8 30 0b 2b ff 48 89 d8 48 8b 1b 4c 39 eb 4c 89 7d a8 74 4b 48 85 db 0f 84 ff 00 00 00 49 89 df 49 c1 ef 03 <43> 80 3c 27 00 74 08 48 89 df e8 02 0b 2b ff f6 03 01 0f 85 e0 00 RSP: 0018:ffffc90000da78f8 EFLAGS: 00010206 RAX: ffff88810c42ed14 RBX: 0c449e3800000000 RCX: dffffc0000000000 RDX: ffffffff81a4f280 RSI: ffff88810c222c30 RDI: ffff88811f966998 RBP: ffffc90000da7960 R08: dffffc0000000000 R09: ffff88811f9669a0 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff88810c449e38 R14: 1ffff11021885da2 R15: 018893c700000000 FS: 00007fb64c3d96c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb64c3d8ff8 CR3: 000000011d5aa000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_insert_augmented include/linux/rbtree_augmented.h:50 [inline] vma_interval_tree_insert_after+0x2be/0x2d0 mm/interval_tree.c:57 dup_mmap kernel/fork.c:631 [inline] dup_mm kernel/fork.c:1521 [inline] copy_mm+0xba2/0x13e0 kernel/fork.c:1573 copy_process+0x1149/0x3290 kernel/fork.c:2264 kernel_clone+0x21e/0x9e0 kernel/fork.c:2662 __do_sys_clone kernel/fork.c:2788 [inline] __se_sys_clone kernel/fork.c:2772 [inline] __x64_sys_clone+0x23f/0x290 kernel/fork.c:2772 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fb64c856ae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb64c3d9078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007fb64c975f80 RCX: 00007fb64c856ae9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fb64c3d9120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000000b R14: 00007fb64c975f80 R15: 00007fff6985ab78 Modules linked in: ---[ end trace 899a3d61b1f35801 ]--- RIP: 0010:__rb_insert lib/rbtree.c:117 [inline] RIP: 0010:__rb_insert_augmented+0xbf/0x610 lib/rbtree.c:459 Code: 00 74 08 48 89 df e8 30 0b 2b ff 48 89 d8 48 8b 1b 4c 39 eb 4c 89 7d a8 74 4b 48 85 db 0f 84 ff 00 00 00 49 89 df 49 c1 ef 03 <43> 80 3c 27 00 74 08 48 89 df e8 02 0b 2b ff f6 03 01 0f 85 e0 00 RSP: 0018:ffffc90000da78f8 EFLAGS: 00010206 RAX: ffff88810c42ed14 RBX: 0c449e3800000000 RCX: dffffc0000000000 RDX: ffffffff81a4f280 RSI: ffff88810c222c30 RDI: ffff88811f966998 RBP: ffffc90000da7960 R08: dffffc0000000000 R09: ffff88811f9669a0 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff88810c449e38 R14: 1ffff11021885da2 R15: 018893c700000000 FS: 00007fb64c3d96c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb64c3d8ff8 CR3: 000000011d5aa000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 00 74 08 48 add %dh,0x48(%rax,%rcx,1) 4: 89 df mov %ebx,%edi 6: e8 30 0b 2b ff call 0xff2b0b3b b: 48 89 d8 mov %rbx,%rax e: 48 8b 1b mov (%rbx),%rbx 11: 4c 39 eb cmp %r13,%rbx 14: 4c 89 7d a8 mov %r15,-0x58(%rbp) 18: 74 4b je 0x65 1a: 48 85 db test %rbx,%rbx 1d: 0f 84 ff 00 00 00 je 0x122 23: 49 89 df mov %rbx,%r15 26: 49 c1 ef 03 shr $0x3,%r15 * 2a: 43 80 3c 27 00 cmpb $0x0,(%r15,%r12,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 48 89 df mov %rbx,%rdi 34: e8 02 0b 2b ff call 0xff2b0b3b 39: f6 03 01 testb $0x1,(%rbx) 3c: 0f .byte 0xf 3d: 85 e0 test %esp,%eax